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Js-dom: Basic Reality---Imitation of Sina Weibo release

Source: Internet
Author: User
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CSS Section

<style>
* {padding:0; margin:0;}
Li {list-style:none;}
Body {background: #f9f9f9; font-size:14px;}

#box {width:450px; padding:10px; border:1px solid #ccc; background: #f4f4f4; margin:10px auto;}
#fill_in {margin-bottom:10px;}
#fill_in Li {padding:5px 0;}
#fill_in. text {width:380px; height:30px; padding:0 10px; border:1px solid #ccc; line-height:30px; font-size:14px; font-family:arial; }
#fill_in textarea {width:380px; height:100px; line-height:20px; padding:5px 10px; border:1px solid #ccc; Font-size: 14px; font-family:arial; Overflow:auto; Vertical-align:top; }
#fill_in. btn {border:none; width:100px; height:30px; border:1px solid #ccc; background: #fff; color: #666; font-size : 14px; position:relative; left:42px; }

#message_text h3 {font-size:14px; padding:6px 0 4px 10px; background: #ddd; border-bottom:1px solid #ccc;}
#message_text li {background: #f9f9f9; border-bottom:1px solid #ccc; color: #666; overflow:hidden;}
#message_text li a{float:right;}
#message_text h3 {padding:10px; font-size:14px; line-height:24px;}
#message_text p {padding:0 10px 10px; text-indent:28px; line-height:20px;}
</style>

HTML section

<body>
<div id= "box" >
<ul id= "Fill_in" >
<form>
<li> Name: <input id= "Txt1" type= "text" class= "text"/></li>
<li> content: <textarea id= "Txt2" ></textarea></li>
<li><input id= "btn" type= "button" value= "Submit" class= "BTN"/></li>
</form>
</ul>
<div id= "Message_text" >
<ul>
<!--<li></ul>
</div>
</div>
</body>

Js-dom part

First, the publication has the animation effect:

<script>

function First (obj) {

if (obj.firstelementchild) {

return obj.firstelementchild;

}else{

return obj.firstchild;

}

}

Window.onload=function () {

var Oname=document.getelementbyid ("Txt1");

var Ocon=document.getelementbyid ("Txt2");

var Obtn=document.getelementbyid ("btn");

var Oul=document.getelementbyid ("Message_text"). Children[1];

var timer=null;

　　

Obtn.onclick=function () {

if (oname.value== "" | | ocon.value== "") {

Alert ("User name or content not filled in");

Return

}

var oli=document.createelement ("Li");

Oli.innerhtml= "

Oname.value= "";

Ocon.value= "";

Oul.insertbefore (OLi, First (Oul));

　　　　

var start=0;

var end=oli.offsetheight;

oli.style.height=0;

var Change=end-start;

var t=0;

var endt=20;

Clearinterval (timer);

Timer=setinterval (function () {

t++;

if (T==endt) {

Clearinterval (timer);

}

Oli.style.height=tween.bounce.easeout (T,start,change,endt) + "px";

},30);

var olink=oli.getelementsbytagname ("a") [0];

Olink.onclick=function () {

var start=oli.offsetheight;

var end=0;

var Change=end-start;

var t=0;

var endt=20;

Clearinterval (timer);

Timer=setinterval (function () {

t++;

if (T==endt) {

Oul.removechild (OLi);

Clearinterval (timer);

}

Oli.style.height=tween.bounce.easeout (T,start,change,endt) + "px";

},30)

}

}

}

</script>

Second, the release of no animation effect:

<script>

function First (obj) {

if (obj.firstelementchild) {

return obj.firstelementchild;

}else{

return obj.firstchild;

}

}

Window.onload=function () {

var Oname=document.getelementbyid ("Txt1");

var Ocon=document.getelementbyid ("Txt2");

var Obtn=document.getelementbyid ("btn");

var Oul=document.getelementbyid ("Message_text"). Children[1];

　　

Obtn.onclick=function () {

if (oname.value== "" | | ocon.value== "") {

Alert ("User name or content not filled in");

Return

}

var oli=document.createelement ("Li");

Oli.innerhtml= "

Oname.value= "";

Ocon.value= "";

　　　　

Oul.insertbefore (Oli,first (Oul));

var olink=oli.getelementsbytagname ("a") [0];

　　　　　

Olink.onclick=function () {

Oul.removechild (OLi);

}

}

}
</script>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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